﻿/* 
 * Copyright (c) 2011 Jeff Zhang
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of 
 * this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation the rights to use, 
 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
 * and to permit persons to whom the Software is furnished to do so, 
 * subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included 
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

using System;
using System.Collections.Generic;
using System.Text;

namespace Json {
    public sealed class JsonTuple : JsonObject<IList<IJsonObject>>, IEnumerable<IJsonObject> {
        public JsonTuple() : base(new List<IJsonObject>()) { }

        public JsonTuple(IEnumerable<IJsonObject> list) : base(new List<IJsonObject>(list)) { }

        public override int Length {
            get {
                return Value.Count;
            }
        }

        public void Add(IJsonObject json) {
            Value.Add(json);
        }

        public override IJsonObject this[string key] {
            get { throw new IllegalOperationException(); }
            set { throw new IllegalOperationException(); }
        }

        public override IJsonObject this[int index] {
            get { return Value[index]; }
            set { Value[index] = value; }
        }

        public override string ToJson() {
            StringBuilder sb = new StringBuilder();

            sb.Append("(");

            int len = Value.Count;

            for (int i = 0; i < len; i++) {
                IJsonObject json = Value[i];

                sb.AppendFormat("{0},", json.ToJson());
            }

            return sb.ToString().TrimEnd(',') + ")";
        }

        public IEnumerator<IJsonObject> GetEnumerator() {
            throw new NotImplementedException();
        }

        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() {
            throw new NotImplementedException();
        }
    }
}
